| 测试项目 | 范围值 | ||
| 碳酸钙 | (CaCO3) | 98.00% | Min |
| 氧化铁 | (Fe2O3) | 0.30% | Max |
| 氧化铝 | (Al2O3) | 0.20% | Max |
| 氧化镁 | (MgO ) | 0.16% | Max |
| 酸不溶物 | (HCl insoluble matter) | 0.25% | Max |
| PH 5%混合液 | (pH 5% Solution) | 9±0.5 | |
物理分析(Physical Analysis):
|
白色度 |
(Whiteness) |
96.00-98.0GE |
|
|
DOP吸油量(10g) |
(DOP absorption(10g)) |
0.36±0.05ml/g |
|
|
水份 |
(Moisture) |
0.35% |
Max |
|
真比重 |
(Spceific Gravity) |
2.5~2.8 |
|
|
比表面积 |
(Surface area) |
23000±1000cm2/g |
粒度分布(particle Distribuion):
|
325 mesh残量 |
(Residue on 325 mesh) |
0.0001% |
Max |
|
2ｕ粒径含量 |
(2ｕ Particle size) |
75±4% |
|
|
50% 通过粒径 |
(d50% Pass Particle size) |
1.00~1.20ｕ |
|
|
97% 通过粒径 |
(d97% Pass Particle size) |
5～7ｕ |
|
|
通过粒径 |
(d Pass Particle size) |
13ｕ |
Max |
